4241 		t = rcu_dereference(memcg->thresholds.primary);  in __mem_cgroup_threshold()
4333 	struct mem_cgroup_thresholds *thresholds;  in __mem_cgroup_usage_register_event()  local
4346 		thresholds = &memcg->thresholds;  in __mem_cgroup_usage_register_event()
4349 		thresholds = &memcg->memsw_thresholds;  in __mem_cgroup_usage_register_event()
4355 	if (thresholds->primary)  in __mem_cgroup_usage_register_event()
4358 	size = thresholds->primary ? thresholds->primary->size + 1 : 1;  in __mem_cgroup_usage_register_event()
4369 	if (thresholds->primary)  in __mem_cgroup_usage_register_event()
4370 		memcpy(new->entries, thresholds->primary->entries,  in __mem_cgroup_usage_register_event()
4396 	kfree(thresholds->spare);  in __mem_cgroup_usage_register_event()
4397 	thresholds->spare = thresholds->primary;  in __mem_cgroup_usage_register_event()
4399 	rcu_assign_pointer(thresholds->primary, new);  in __mem_cgroup_usage_register_event()
4425 	struct mem_cgroup_thresholds *thresholds;  in __mem_cgroup_usage_unregister_event()  local
4433 		thresholds = &memcg->thresholds;  in __mem_cgroup_usage_unregister_event()
4436 		thresholds = &memcg->memsw_thresholds;  in __mem_cgroup_usage_unregister_event()
4441 	if (!thresholds->primary)  in __mem_cgroup_usage_unregister_event()
4449 	for (i = 0; i < thresholds->primary->size; i++) {  in __mem_cgroup_usage_unregister_event()
4450 		if (thresholds->primary->entries[i].eventfd != eventfd)  in __mem_cgroup_usage_unregister_event()
4456 	new = thresholds->spare;  in __mem_cgroup_usage_unregister_event()
4473 	for (i = 0, j = 0; i < thresholds->primary->size; i++) {  in __mem_cgroup_usage_unregister_event()
4474 		if (thresholds->primary->entries[i].eventfd == eventfd)  in __mem_cgroup_usage_unregister_event()
4477 		new->entries[j] = thresholds->primary->entries[i];  in __mem_cgroup_usage_unregister_event()
4491 	thresholds->spare = thresholds->primary;  in __mem_cgroup_usage_unregister_event()
4493 	rcu_assign_pointer(thresholds->primary, new);  in __mem_cgroup_usage_unregister_event()
4500 		kfree(thresholds->spare);  in __mem_cgroup_usage_unregister_event()
4501 		thresholds->spare = NULL;  in __mem_cgroup_usage_unregister_event()